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Tuneable diode laser gas analyser for methane measurements on a large scale solid oxide fuel cell

Michael Lengden, Robert Cunningham, Walter Johnstone

Research output: Contribution to journalLetterpeer-review

Abstract

A new in-line, real time gas analyser is described that uses tuneable diode laser spectroscopy (TDLS) for the measurement of methane in solid oxide fuel cells. The sensor has been tested on an operating solid oxide fuel cell (SOFC) in order to prove the fast response and accuracy of the technology as compared to a gas chromatograph. The advantages of using a TDLS system for process control in a large-scale, distributed power SOFC unit are described. In future work, the addition of new laser sources and wavelength modulation will allow the simultaneous measurement of methane, water vapour, carbon-dioxide and carbon-monoxide concentrations.
Original languageEnglish
Pages (from-to)8406-8408
Number of pages3
JournalJournal of Power Sources
Volume196
Issue number20
Early online date12 Jun 2011
DOIs
Publication statusPublished - Oct 2011

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • solid oxide fuel cell
  • laser spectroscopy
  • process control
  • gas analysis

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